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International Automotive Technicians Network
Re: VVT and EGR
Posted to Technical Theory Forum on 8/16/2009

VVTI, right from the new car feature (NCF) book:

Controls the intake camshaft to an optimal valve timing in accordance with the engine condition.

EGR, we know that is to reduce combustion chamber temp to prevent NOx, but the NCF booklet reads:

The EGR co... Login to read more.